import Vue from 'vue'

import 'normalize.css/normalize.css' // A modern alternative to CSS resets

import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
import locale from 'element-ui/lib/locale/lang/en' // lang i18n

import '@/styles/index.scss' // global css

import App from './App'
import store from './store'
import router from './router'
import * as directives from './directives'
import * as filters from './filters'
// * 所有意思
// as 重命名
// directives 名字

import '@/icons' // icon
import '@/permission' // permission control
import MyPlugin from './plugin'
import components from '@/components'
import Print from 'vue-print-nb'
import checkPermission from '@/mixin/checkPermission'
Vue.mixin(checkPermission)
Vue.use(Print)
Vue.use(components)
Vue.use(MyPlugin) // Vue.use会调用插件的install方法
Vue.fn()
// 写全局混入要慎重
// Vue.mixin({
//   created() {
//     console.log('我是全局混入的')
//   }
// })

/**
 * If you don't want to use mock-server
 * you want to use MockJs for mock api
 * you can execute: mockXHR()
 *
 * Currently MockJs will be used in the production environment,
 * please remove it before going online ! ! !
 */
// if (process.env.NODE_ENV === 'production') {
//   const { mockXHR } = require('../mock')
//   mockXHR()
// }

// set ElementUI lang to EN
Vue.use(ElementUI, { locale })
// 如果想要中文版 element-ui，按如下方式声明
// Vue.use(ElementUI)
// 遍历对象 -> for in
// Object.keys 获取所有键
// Object.values 获取所有值
Object.keys(directives).forEach(key => {
  Vue.directive(key, directives[key])
})
Object.keys(filters).forEach(key => {
  // key => 过滤器名字
  Vue.filter(key, filters[key])
})
//
Vue.config.productionTip = false

new Vue({
  el: '#app',
  router,
  store,
  render: (h) => h(App)
})
